{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7684b2bbc94f2aafef73222c6a9d341c36fe48675b2780958d523bcc3ac6fe37",
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}